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Welcome to the Basics of R Programming Language MCQs Page

Dive deep into the fascinating world of Basics of R Programming Language with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Basics of R Programming Language, a crucial aspect of R Programming. In this section, you will encounter a diverse range of MCQs that cover various aspects of Basics of R Programming Language, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within R Programming.

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Check out the MCQs below to embark on an enriching journey through Basics of R Programming Language. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of R Programming.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Basics of R Programming Language. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Basics of R Programming Language MCQs | Page 6 of 8

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Q51.
R has many functions regarding ________________

a.

Statistics, Biotechnology

b.

Probability, Microbiology

c.

Distributions, Physics

d.

Statistics, Probability, Distributions

Discuss
Answer: (d).Statistics, Probability, Distributions
Q52.
___________ hosts many add-on packages that can be used to extend the functionality of R.

a.

CRAN

b.

GNU

c.

R studio

d.

450

Discuss
Answer: (a).CRAN
Q53.
Which function is used to automatically vectorize?

a.

lapply()

b.

kapply()

c.

mapply()

d.

happly()

Discuss
Answer: (c).mapply()
Q54.
Which is simpler for statistical programming?

a.

C

b.

Java

c.

R

d.

No language

Discuss
Answer: (c).R
Q55.
A _______________ is a variable that holds one value at a time.

a.

Scalar variable

b.

Duplex

c.

High

d.

Vector

Discuss
Answer: (a).Scalar variable
Q56.
What will be the output of the following R code? 
> x <- 1
> print(x)

a.

1

b.

2

c.

3

d.

5

Discuss
Answer: (a).1
Q57.
Point out the wrong statement?

a.

The grammar of the language determines whether an expression is complete or not

b.

The <- symbol is the assignment operator in R

c.

The ## character indicates a comment

d.

R does not support multi-line comments or comment blocks

Discuss
Answer: (c).The ## character indicates a comment
Q58.
Which of the R following code is example of explicit printing?

a.

> x <- 5
> x

b.

> x <- 5
> print(x)

c.

> x <- "auto"
> x

d.

> x <- "auto"
> x <- "auto"

Discuss
Answer: (b).> x <- 5
> print(x)
Q59.
Files containing R scripts ends with extension ____________

a.

.S

b.

.R

c.

.Rp

d.

.SP

Discuss
Answer: (b)..R
Q60.
Point out the wrong statement?

a.

: operator is used to create integer sequences

b.

The numbers in the square brackets are part of the vector itself

c.

There is a difference between the actual R object and the manner in which that R object is printed to the console

d.

Files containing R scripts ends with extension .R

Discuss
Answer: (b).The numbers in the square brackets are part of the vector itself
Page 6 of 8

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